<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
<?php
header('Content-type:text/html;charset=utf=8');
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2016/1/29 0029
 * Time: 23:53
 */
if(isset($_GET['name'])&&$_GET['name']){//判断是否设置,并且有值
    echo 'hell'.$_GET['name'];

}else{
    echo '请输入名字';
}

?>
</body>
</html>
